Biorem Inc. · TSXV:BRM
Biorem — BIOREM Technologies — Missouri WEA 2004
28 slides from Biorem's conference presentation, March 2004
Slide 1: Biofilter Media Performance and Odor Control at Wastewater Treatment Facilities
BIOFILTER MEDIA PERFORMANCE AND ODOR CONTROL AT WASTEWATER TREATMENT FACILITIES Missouri WEA 2004 March 21-23 Brian Herner, Dr. Zarook Shareefdeen Presented by: Robert Bianchi, B.Sc. Mech. Eng. Regional Sales Manager BIOREM Technologies Inc.
Slide 2: Outline
Outline ¾ Objective ¾ Introduction ¾ Sulfur compounds [H2S, DMS, DMDS, and MM] ¾ Biofilter Technology, Media Discussion, Design Configurations ¾ Performance data on H2S & TRS ¾ Experiments, pH control, Wood Media Performance and TRS data ¾ Conclusion 1-800-353-2087
Slide 3: Objective
Objective ¾Obtain removal performance data for H2S and reduced sulfur compounds [DMS, DMDS, and MM] in synthetic media biofilters ¾Present biofiltration data for WWTP applications 1-800-353-2087
Slide 4: Introduction
Introduction ¾ Sulfur compounds H 2S rotten egg soluble < 0.001 ppmv DMS rotten cabbage insoluble “ DMDS sulfide insoluble “ MM rotten cabbage slight “ Hydrogen sulfide (H2S), TRS: di-methyl sulfide (DMS), di-methyl di-sulfide (DMDS), methyl mercaptan (MM) ¾ Sources of H2S and TRS Municipal wastewat
Slide 5: Odor Control Technologies: Your Choices
Odor Control Technologies Your Choices ¾ Adsorption (Granular Activated Carbon) ¾ Phase transfer ¾ Frequent changes ¾ High maintenance and operations costs ¾ Effective for intermittent or low airflows ¾ Chemical Scrubbing ¾ Phase transfer and chemical reaction ¾ High maintenance and operations costs
Slide 6: Biofiltration Illustration
Biofiltration Illustration A media particle clean air Adsorption/ desorption H2S (air) Mass transfer solubilization HH2S2S diffusion (adsorbed) (solid) H2S(biofilm) Bacteria (bio-oxidation) H2S (in air) H2SO4 1-800-353-2087
Slide 7: Biofilter Modeling
Biofilter Modeling… C H 2 S ,air ⎧⎪ 1 ⎫⎪ = ⎨1 − α lump * EBRT ⎬ C H 2 S ,air −inlet ⎪⎩ C H 2 S ,air −inlet ⎪⎭ EBRT = Media Volume Air Flow ⎧ k0 D ⎫ α lump = ⎨ AS * ⎬ ⎩ 2m ⎭ 1-800-353-2087
Slide 8: Biofiltration Technology
Biofiltration Technology ¾Advantages Effective Economical Environmentally friendly Low maintenance Handle shock loadings Accepted ¾Limitations Temperature, Concentration range, Biodegradability, Solubility, Type of compounds 1-800-353-2087
Slide 9: Organic Media – The Problems
Organic Media – The problems ¾ Longer residence time + shallow bed = Large space required ¾ Background odor ¾ Poor predictability ¾ Compaction, Channeling and odor breakthrough ¾ Poor pH Control ¾ High maintenance, frequent media changes/turning etc. ¾ Damage to infrastructure upon replacement ¾ Hig
Slide 10: Why Synthetic Media?
Why Synthetic Media? ¾ Long lasting (>10 Year) ¾ Consistent Performance ¾ Low pressure drop (1”-2”) ¾ Buffers built in ¾ Hydrophilic mineral cores ¾ pH neutral (report available) ¾ Very high surface area ¾ Can be regenerated ¾ Low volume required ¾ No decomposition ¾ No degradation ¾ No compaction 1
Slide 11: Header-Lateral Biofilter System
Header-Lateral Biofilter System Lateral Air Flow Piping 1-800-353-2087
Slide 12: Biofilter Configurations
Biofilter Configurations Shades Valley, AL 30,000 cfm 1-800-353-2087
Slide 13: Custom Built Units
Custom Built Units BIOFILTAIRTM 1-800-353-2087
Slide 14: Examples (Custom Built)
Examples (Custom Built) Purina Mills, Missouri 50,000 cfm 1-800-353-2087
Slide 15: Examples (Custom Built)
Examples (Custom Built) Rothsay (Rendering Plant), Ontario 250,000 cfm 1-800-353-2087
Slide 16: Experiments Overview
EXPERIMENTS OVERVIEW Media ¾ Experimental (LAB) Unit* BIOSORBENSTM, Wood Media Compounds H2S, DMDS, DMS, COS, MM, CS2 Concentrations ODALOGTM, GC Parameters pH, S-analysis *Details of the experiments: “Hydrogen Sulfide (H2S) Removal in Synthetic Media Biofilters”, J. Environmental Progress, October
Slide 17: Start-up data with wood media (H2S)
Start-up data with wood media (H2S) 1-800-353-2087
Slide 18: Start-up data with BIOSORBENS media (H2S)
Start-up data with BIOSORBENSTM media (H2S) 1-800-353-2087
Slide 19: pH Profile (without pH control)
PH PROFILE (without pH control) Media : BIOSORBENS TM 1-800-353-2087
Slide 20: pH Profile (with pH control)
PH PROFILE (with pH control) Media : BIOSORBENS TM 1-800-353-2087
Slide 21: Steady State Performance Data (H2S)
Steady State Performance Data TM (H 2 S) Media : BIOSORBENS 1-800-353-2087
Slide 22: Transient Performance Data (H2S)
Transient Performance Data (H2S) Media : BIOSORBENSTM 1-800-353-2087
Slide 23: Performance Data (TRS)
Performance Data (TRS) Media : BIOSORBENSTM H2S DMS DMDS MM COS CS2 Input (ppb) 3720 <20 15 40 80 <10 Output (ppb) 30 <20 <10 <20 <20 <10 *Media: BIOSORBENS™ ; Site # 1 (WWTP): SC; Analyzed by MayFly Lab.,CT 1-800-353-2087
Slide 24: Performance Data (TRS)
Performance Data (TRS)… Media : BIOSORBENSTM H2S DMS DMDS MM COS CS2 Input (ppb) 96,900 <10 40 <20 2600 <10 Output (ppb) <20 <10 <10 <20 46 <10 *Media: BIOSORBENS™ ; Site # 2: (Rendering), AL; Analyzed by MayFly Lab.,CT 1-800-353-2087
Slide 25: Design Diagram: Selecting EBRT(s)
DESIGN DIAGRAM : Selecting EBRT(s) 1-800-353-2087
Slide 26: Design Diagrams: Selecting Media Volume (m3)
DESIGN DIAGRAMS: Selecting Media Volume (m3) 1-800-353-2087
Slide 27: Conclusion
CONCLUSION ¾ H2S can be completely (> 99%) eliminated in synthetic media (BIOSORBENSTM) pilot and field biofilters. ¾ Field data confirm > 99% removal of DMS, DMDS and MM for the concentrations ranges found. Laboratory pilot experiments on TRS are in progress. ¾ Intermediate products can be washed-o
Slide 28: Acknowledgement
Acknowledgement National Research Council Canada –Industrial Research Assistance Program (NRC- IRAP) Question and Answer Period 1-800-353-2087